*{
	padding: 0;
	margin: 0;
	/*边框合并*/
	box-sizing: border-box;
}
html{
	font-size: 16px;
}
body{
	font-family: "微软雅黑";
}
a{
	text-decoration: none;
}
li{
	list-style: none;
}
.w1200{
	width: 1200px;
	margin: 0 auto;
}
